head to head
vs
The Bureau: XCOM DeclassifiedvsTom Clancy's Splinter Cell: Essentials
The Bureau: XCOM Declassified leans Optimization (Pure Optimization); Tom Clancy's Splinter Cell: Essentials leans Optimization (Practiced Mastery).
The Bureau: XCOM DeclassifiedTom Clancy's Splinter Cell: Essentials
Axis by axis
Execution4 vs 5
Tom Clancy's Splinter Cell: Essentials leans harder on execution: Stealth movement on PSP sticks needs careful handling
Reads0 vs 0
Even - both lean on reads about the same.
Variance3 vs 2
The Bureau: XCOM Declassified leans harder on variance: cover-based hit chances are randomized
Optimization7 vs 7
Even - both lean on optimization about the same.
Two games can score the same on an axis and still test it in very different ways - read each rationale, not just the number.